PetBonus silicone collapsible bowls are the budget travel essential: two bowls that flatten for packing, rinse easily, and let you separate water from food on the road.
Keep a pair in the car even if your “real” trail kit uses a nicer fabric bowl. Redundancy matters when one bowl gets left at a picnic table.
Place them on flat ground; silicone sides can tip on steep, rocky rests if your dog is an enthusiastic drinker.